US12178092B2ActiveUtilityA1

Display panel

53
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTDPriority: Dec 8, 2021Filed: Dec 17, 2021Granted: Dec 24, 2024
Est. expiryDec 8, 2041(~15.4 yrs left)· nominal 20-yr term from priority
H10K 59/126H10D 86/60H10D 86/441G09G 2320/0209G09G 2300/0408G09G 2300/0426G09G 3/3208H10K 59/131
53
PatentIndex Score
0
Cited by
14
References
20
Claims

Abstract

The present application provides a display panel. The display panel includes a plurality of data lines, a plurality of constant voltage traces, and a plurality of drive traces located in a display area. The display panel further includes a first metal layer, a second metal layer, and a shield layer between the first metal layer and the second metal layer, wherein the first metal layer includes a gate trace, the shield layer includes a plurality of shield traces, and the second metal layer includes the drive trace. An overlap region of the drive trace and the gate trace on the shield layer overlaps with the shield trace.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A display panel, comprising a display area and a non-display area adjacent to the display area, wherein the display panel comprises:
 a substrate; 
 a drive circuit layer disposed on the substrate, wherein the drive circuit layer comprises: a plurality of data lines and a plurality of constant voltage traces located in the display area, and a plurality of drive traces located at least partially in the display area and electrically connected to the data lines and a drive chip; 
 wherein the drive circuit layer further comprises a first metal layer, a second metal layer, and a shield layer between the first metal layer and the second metal layer, the first metal layer comprises a plurality of gate traces, the shield layer comprises a plurality of shield traces electrically connected to the constant voltage traces, the second metal layer comprises the drive traces, and an overlap region of at least a portion of an orthographic projection of the drive trace on the shield layer and at least a portion of orthographic projection of the gate trace on the shield layer overlaps with the shield trace; 
 wherein the display panel further comprises a fourth metal layer located on a side of the second metal layer away from the shield layer, the fourth metal layer comprises a plurality of shelter traces located in the display area; 
 the second metal layer comprises a plurality of virtual traces electrically insulated from the drive traces and the drive chip, the display panel comprises a plurality of sub-pixels, the virtual traces in two adjacent sub-pixels are disconnected from each other, and an orthographic projection of the shelter trace on the second metal layer covers at least a portion of a disconnection region of the virtual traces in two adjacent sub-pixels. 
 
     
     
       2. The display panel according to  claim 1 , wherein an orthographic projection of at least a portion of the drive trace on the shield layer overlaps with the shield trace, and an orthographic projection of at least a portion of the gate trace on the shield layer overlaps with the shield trace. 
     
     
       3. The display panel according to  claim 2 , wherein the orthographic projection of the drive trace on the shield layer overlaps with the shield trace. 
     
     
       4. The display panel according to  claim 1 , wherein the display panel comprises a first sub-pixel and a second sub-pixel arranged in a second direction, a number of the drive traces included in the first sub-pixel extending in the first direction is greater than a number of the drive traces included in the second sub-pixel extending in the first direction, and the shield trace is disposed in the first sub-pixel. 
     
     
       5. The display panel according to  claim 1 , wherein the display panel comprises a first sub-pixel and a second sub-pixel arranged in a second direction, a number of the drive traces included in the first sub-pixel extending in the first direction is greater than a number of the drive traces included in the second sub-pixel extending in the first direction, and the shield trace is disposed in the first sub-pixel and the second sub-pixel. 
     
     
       6. The display panel according to  claim 3 , wherein the drive circuit layer further comprises a third metal layer disposed between the first metal layer and the shield layer, the third metal layer comprises the data line, the constant voltage trace, and a gate connection line electrically connected to the gate trace, the shield trace covers at least an overlap region of an orthographic projection of the data line, the constant voltage trace, and the gate connection line on the shield layer and the orthographic projection of the drive trace on the shield layer. 
     
     
       7. The display panel according to  claim 1 , wherein a connection point of the drive trace and the data line is located in the display area. 
     
     
       8. The display panel according to  claim 7 , wherein a number of connection points of each drive trace and the data line is one or more. 
     
     
       9. The display panel according to  claim 7 , wherein an end of the drive trace terminates at the connection point of the drive trace and the data line. 
     
     
       10. The display panel according to  claim 1 , wherein
 the display area comprises a first display area provided with the drive trace and a second display area adjacent to the first display area; 
 a distribution shape of the shelter traces in the first display area is the same as a distribution shape of the shelter traces in the second display area, and an orthographic projection of the drive trace in the display area on the fourth metal layer overlaps with the shelter trace. 
 
     
     
       11. The display panel according to  claim 10 , wherein a distribution shape of a layout of the shelter traces in the fourth metal layer is the same as a distribution shape of the drive traces in the second metal layer. 
     
     
       12. The display panel according to  claim 10 , wherein the shelter trace is closer to a light-emitting side of the display panel than the drive trace. 
     
     
       13. The display panel according to  claim 1 , wherein the plurality of the virtual traces comprise a first virtual trace extending in a first direction and a second virtual trace extending in a second direction;
 an orthographic projection of the shelter trace on the second metal layer covers a disconnection region of the first virtual traces in two adjacent sub-pixels. 
 
     
     
       14. The display panel according to  claim 13 , wherein the orthographic projection of the shelter trace on the second metal layer covers a disconnection region of the second virtual traces in two adjacent sub-pixels. 
     
     
       15. The display panel according to  claim 1 , wherein an orthographic projection of the drive trace on the fourth metal layer overlaps with the shield trace, and an orthographic projection of the virtual trace on the fourth metal layer overlaps with the shield trace. 
     
     
       16. The display panel according to  claim 1 , wherein the display area comprises a first display area provided with the drive trace, and a second display area adjacent to the first display area; a distribution shape of the shelter trace in the first display area is the same as a distribution shape of the shelter trace in the second display area. 
     
     
       17. The display panel according to  claim 10 , wherein the shelter trace is electrically connected to the constant voltage trace. 
     
     
       18. The display panel according to  claim 1 , wherein the shelter trace is electrically connected to the constant voltage trace. 
     
     
       19. A display panel, comprising a display area and a non-display area adjacent to the display area, wherein the display panel comprises:
 a substrate; 
 a drive circuit layer disposed on the substrate, wherein the drive circuit layer comprises a plurality of data lines and a plurality of constant voltage traces located in the display area, and a plurality of drive traces located at least partially in the display area and electrically connected to the data lines and a drive chip; 
 wherein the drive circuit layer further comprises a first metal layer, a second metal layer, and a shield layer between the first metal layer and the second metal layer, the first metal layer comprises a plurality of gate traces, the shield layer comprises a plurality of shield traces electrically connected to the constant voltage traces, the second metal layer comprises the drive traces; 
 the display panel comprises a first sub-pixel and a second sub-pixel arranged in a second direction, a number of the drive traces included in the first sub-pixel extending in the first direction is greater than a number of the drive traces included in the second sub-pixel extending in the first direction, and the shield trace is disposed in the first sub-pixel, and an orthographic projection of the drive trace on the shield layer overlaps with the shield trace. 
 
     
     
       20. A display panel, comprising a display area and a non-display area adjacent to the display area, wherein the display panel comprises:
 a substrate; 
 a drive circuit layer disposed on the substrate, wherein the drive circuit layer comprises: a plurality of data lines and a plurality of constant voltage traces located in the display area, and a plurality of drive traces located at least partially in the display area and electrically connected to the data lines and a drive chip; 
 wherein the drive circuit layer further comprises a first metal layer, a second metal layer, and a shield layer between the first metal layer and the second metal layer, the first metal layer comprises a plurality of gate traces, the shield layer comprises a plurality of shield traces electrically connected to the constant voltage traces, the second metal layer comprises the drive traces, and an overlap region of at least a portion of an orthographic projection of the drive trace on the shield layer and at least a portion of orthographic projection of the gate trace on the shield layer overlaps with the shield trace; 
 wherein the display panel comprises a first sub-pixel and a second sub-pixel arranged in a second direction, a number of the drive traces included in the first sub-pixel extending in the first direction is greater than a number of the drive traces included in the second sub-pixel extending in the first direction, and the shield trace is disposed in the first sub-pixel and the second sub-pixel.

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